package org.llgc;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.Charset;

public class ServeurTCP
{
  private static final int PORT = 9632;

  public static void main (String[] args)
  {
    try (ServerSocket server = new ServerSocket (PORT);)
    {
      System.out.println ("en attente de connexion");
      while (true)
      {
        // Attente du client
        Socket client = server.accept ();
        client.setTcpNoDelay(true); // pas de délai ACK
        try (
            BufferedReader entree = new BufferedReader (
                new InputStreamReader (client.getInputStream (), Charset.forName ("UTF-8")));
            PrintStream ps = new PrintStream (client.getOutputStream (), false, "UTF-8"))
        {
          System.out.println ("connexion établie avec " + client.getInetAddress ());

          while (true)
          {
            // Lecture du message du client
            String message = "";
            message = entree.readLine ();
            System.out.println (message);
            if (message == null)
            {
              break;
            }

            // Envoie du message au client
            ps.println (message);
            if (message.equals ("GoodBye"))
              break;
          }
        }
      }
    }
    catch (IOException e)
    {
      e.printStackTrace();
      return;
    }
  }
}